Assembly and
Dismantling
O
perator’s Manual for Crawler Crane
5-34
5.
7
Bo
om configuration
5.7.1 Heavy duty boom (S)
5.7.1.1 Components of heavy duty boom
The
heavy duty boom, whose length varies from 20 m to 83 m, comprises basic boom and an
optional number of main boom intermediate sections. The basic boom is 20 m long, including
main boom pivot section (G11), main boom head (G12) and tip boom (G10). There are three
types of main boom intermediate section: 3 m main boom intermediate section (G13), 6 m main
boom intermediate section (G14) and 9 m main boom intermediate section (G15).
The longest heavy duty boom of 83 m, overview:
Figure 5-33 S boom configuration
G10
G12
G15
G15
G15
G15
G15
G15
G14
G13
G11
G70
G17
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